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Dahasolnce [82]
2 years ago
11

Which one and don’t lie!!

Mathematics
2 answers:
Vlad1618 [11]2 years ago
5 0

Answer: Not lying cause what's the point of lying to someone asking for help. The answer is x = -7

Step-by-step explanation:  X= -7 because if you look at a graph with negative and positive on it along with the Y and the X on it. Then you'll see that the middle of the plus is zero the left of the middle (going down the X axis) is negative. And the right side of the X axis is positive and the line is on the negative side of the X axis. That's why instead of it being Y= -7 ( which is NOT the answer) is wrong because the line is over the X axis instead of the Y axis.

4vir4ik [10]2 years ago
3 0

Answer:

I am 99.99% sure its D.

Step-by-step explanation:

That red line is on the negative side of the x-axis and since all the numbers are 7 I'm just gonna assume that its a negative 7. Good luck sugar plum ;)

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Multiply the polynomials *<br> –6w(2w2 - 5)
Paul [167]

Answer:

-12w^3 + 30w.

Step-by-step explanation:

–6w(2w^2 - 5)        Using the distributive law:

= -6w* 2w^2 - 6w*-5

= -12w^3 + 30w.

5 0
3 years ago
If y varies directly with x, and y= 10 when x = 4, find y when x = 10.​
mixer [17]

Answer:

17

Step-by-step explanation:

bc

6 0
3 years ago
8ft=how many yards and feet 68in=how many ft and in 3,520y=how many miles
Nataly_w [17]
8ft = 2yrds and 2 feet
68in= 5ft and 8in
I don't know the last one XD
3 0
3 years ago
1. Find the value of x.<br><br> A. 90<br> B. 80<br> C. 60<br> D. 45
tia_tia [17]

Answer:

A 90

Step-by-step explanation:

multiple ways to prove this.

e.g. since the angle between the two lines from the center of the circle to the 2 tangent touching points is 90 degrees (that is the meaning of these 90 degrees here as the angle of the circle segment defined by the 2 tangent touching points and the circle center), the tangents have the same "behavior" as tan and cot = the tangents at the norm circle at 0 and 90 degrees. they hit each other outside of the circle again at 90 degrees.

another way

imagine the two right triangles of the tangents crossing point to the circle center and the tangent/circle touching points.

the Hypotenuse of each triangle is cutting the 90 degree angle of the circle segment exactly in half (due to the symmetry principle). so the angle between radius side and Hypotenuse is 90/2 = 45 degrees.

that means also the angle of such a right triangle at the tangent crossing point is 45 degrees (as the sum of all angles in a triangle must be 180, we have the remainder of 180 - 90 - 45 = 45 degrees).

the angles of both right triangles at that point are the same, and so we can add 45+45 = 90 degrees for the total angle at the tangent crossing point.

8 0
2 years ago
A random sample of 169 observations is to be drawn from a population with a mean of 80 and a standard deviation of 39. find the
Drupady [299]
Mu=80, sigma=39, X=85
Z=(X-mu)/sigma = 5/39=0.128=0.13
P(X<=85)= 0.5517 (from Z-table)
so, P(X>85)=1-0.5517=0.4483 approx. thats 44.8% probability.

8 0
2 years ago
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